Component({
  data: {
    showBase1: true,
    showBase2: false
  },
  methods: {
    showBtnHandle1() {
      this.setData({
        showBase1: true,
        showBase2: false
      });
    },
    showBtnHandle2() {
      this.setData({
        showBase1: false,
        showBase2: true
      });
    }
  }
});